Gelidium macnabbianum is from red algae family, Gelidium has the lasgest species of 134, which are most diverse and found all over the world. Gelidium species are commonlly harvested and extracted for Agar, for its gel properties with water. Gelidium speciese extracts are mostly used in food and cosmestics applications. If you have any question or would like use Gelidium for commercial purpose, let us know – we can help with best and affodable Gelidium.